package com.h824;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class Setbianli {

    public static void main(String[] args) {
        Map<String,String> maps = new HashMap();
        maps.put("102","王五");
        Set key = maps.keySet();
        Object[] keys = maps.keySet().toArray();
        for (int i = 0; i < keys.length ; i++) {
            Object val = maps.get(keys[i]);
            System.out.println(keys[i]+""+val);
        }
    }
}
